Log Message:
Updated py-google-api-python-client to 1.5.4.

v1.5.4
  Version 1.5.4

  Bugfix release

  - Properly handle errors when the API returns a mapping or sequence. (#289)
  - Upgrade to unified uritemplate 3.0.0. (#293)
  - Allow oauth2client 4.0.0, with the caveat that file-based discovery
    caching is disabled.